2 files changed, 60 insertions, 2 deletions
diff --git a/crates/shirabe/src/console/application.rs b/crates/shirabe/src/console/application.rs
index f3e4292..3e197a2 100644
--- a/crates/shirabe/src/console/application.rs
+++ b/crates/shirabe/src/console/application.rs
@@ -2577,6 +2577,13 @@ impl ApplicationHandle {
     pub fn set_catch_exceptions(&self, boolean: bool) {
         self.0.borrow_mut().set_catch_exceptions(boolean);
     }
+
+    /// For testing only: exposes the application as a Symfony base-application handle, the way
+    /// console commands receive it via `getApplication()`, so tests can build an
+    /// `ApplicationDescription` over it.
+    pub fn __base_application(&self) -> std::rc::Rc<std::cell::RefCell<dyn BaseApplication>> {
+        self.0.clone()
+    }
 }
 
 impl ApplicationHandle {
diff --git a/crates/shirabe/tests/documentation_test.rs b/crates/shirabe/tests/documentation_test.rs
index 7c9bef1..07694d8 100644
--- a/crates/shirabe/tests/documentation_test.rs
+++ b/crates/shirabe/tests/documentation_test.rs
@@ -1,7 +1,58 @@
 //! ref: composer/tests/Composer/Test/DocumentationTest.php
 
+use std::cell::RefCell;
+use std::rc::Rc;
+
+use shirabe::console::application::ApplicationHandle;
+use shirabe_external_packages::symfony::console::command::Command;
+use shirabe_external_packages::symfony::console::descriptor::application_description::ApplicationDescription;
+
+fn get_command_name(command: &Rc<RefCell<dyn Command>>) -> String {
+    let mut name = command.borrow().get_name().unwrap_or_default();
+    for alias in command.borrow().get_aliases() {
+        name = format!("{} / {}", name, alias);
+    }
+
+    name
+}
+
+fn provide_command_cases() -> Vec<Rc<RefCell<dyn Command>>> {
+    let application = ApplicationHandle::new("Composer".to_string(), "".to_string()).unwrap();
+    // setAutoExit(false) is the default in Shirabe. The setCatchErrors() call is guarded by
+    // method_exists() in PHP and has no Rust equivalent.
+    application.set_catch_exceptions(false);
+
+    let mut description =
+        ApplicationDescription::new(application.__base_application(), None, false);
+
+    let mut commands = Vec::new();
+    for command in description.get_commands().values() {
+        if ["about", "completion", "list"]
+            .contains(&command.borrow().get_name().as_deref().unwrap_or(""))
+        {
+            continue;
+        }
+        commands.push(command.clone());
+    }
+
+    commands
+}
+
 #[test]
-#[ignore = "Application::set_auto_exit (setAutoExit) does not exist, required by provideCommandCases"]
 fn test_command() {
-    todo!()
+    let doc_content = std::fs::read_to_string(format!(
+        "{}/../../composer/doc/03-cli.md",
+        env!("CARGO_MANIFEST_DIR")
+    ))
+    .unwrap();
+
+    for command in provide_command_cases() {
+        assert!(
+            // TODO: test description
+            // TODO: test options
+            doc_content.contains(&format!("\n## {}\n\n", get_command_name(&command))),
+            "doc/03-cli.md does not contain a section for command \"{}\"",
+            get_command_name(&command),
+        );
+    }
 }